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Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 123

A22e Memory: 64 MB, Model, device, adapter

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Parts list Type Model HDD Bay device A22e (Memory: 64 MB) MT265525x, 75x MT265526x, 76x 15 GB CDROM (24x) MT2655D 27x, 77x, H7x MT266377x MT266477x MT265535x, 85x MT265536x, 86x E MT265537x, 87x, BBG, BCG, D7x, J7x MT2655- 20 GB 48x, 98x F MT265549x, 99x MT26554Ax, 9Ax MT265558x, A8x G MT265559x, A9x MT26555Ax, AAx MT2655- 30 GB 45x, 95x MT2655H 46x, 96x MT265547x, 97x, E7x Mini CPU PCI adapter LCD Modem Cel 800 13.3-in. XGA Ethernet Combo (Intel) Modem Ethernet Combo (Intel) 14.1-in. XGA Modem CMG 850 Ethernet 13.3-in. XGA Combo (Intel) Modem Ethernet 14.1-in. XGA Combo (Intel) Modem Ethernet 13.3-in. XGA Combo (Intel) (continued) ThinkPad A21e, A22e, i 1800 119

Section	Page
Contents	3
Introduction	5
Important service information	5
Strategy for replacing FRUs	5
Strategy for replacing a hard-disk drive	6
How to use error messages	6
Diskette compatibility matrix	6
Safety notices: multilingual translations	7
Safety information	17
General safety	17
Electrical safety	18
Safety inspection guide	19
Handling electrostaticdischarge-sensitive devices	20
Grounding requirements	21
Laser compliance statement	21
General descriptions	25
Read this first	25
What to do first:	25
Related service information	27
Service Web site	27
Product recovery program	27
Restoring the pre-installed software:	27
Creating the service partition:	27
To create a recovery repair diskette:	28
To use the recovery repair diskette:	29
Passwords	29
Power-on password:	29
Hard-disk password:	29
Supervisor password:	30
How to remove the power-on password	30
How to remove the hard-disk password	31
Power management	32
Screen blank mode	32
Standby mode	32
Hibernation mode	34
Checkout guide	35
Testing the computer	35
Detecting system information withPC-Doctor	37
Hardware Info	37
Utility	37
Power system checkout	38
Checking the ac adapter	38
Checking operational charging	39
Checking the battery pack	39
Checking the backup battery	40
ThinkPad A21e, A22e, i 1800	41
Product overview	43
Specifications	43
Status indicators	45
FRU Tests	47
Fn key combinations	48
Symptom-to-FRU index	50
Numeric error codes	50
Error messages	53
Beep symptoms	54
No beep symptoms	54
LCD-related symptoms	55
Intermittent problems	56
Undetermined problems	56
FRU replacement notices	57
Screw notices	57
Retaining serial numbers	58
Restoring the serial number of the systemunit	58
Retaining the UUID	58
Removing and replacing a FRU	60
1010 Battery pack	61
1020 Backup battery	62
1030 Hard-disk drive	64
1040 DIMM	66
1050 Mini PCI adapter	67
1060 Ultrabay 2000 device	70
1070 Keyboard	71
1080 Keyboard CRU insulator	76
1090 Fan assembly	77
For models excepting MT2655-65x, 66x, 67x,B5x, B6x, B7x	77
For MT2655-65x, 66x, 67x, B5x, B6x, B7x	79
1100 CPU	81
1110 PC Card slot assembly	83
1120 Hinge cover	85
1130 Keyboard bezel	87
1140 Speaker	90
For A21e series	90
For A22e and i 1800 series	91
1150 Hard-disk bay	93
1160 LED connector card	95
1170 Ultrabay 2000 slot	97
1180 System board	100
2010 LCD assembly	102
2020 Front bezel	108
12.1-in. LCD (only for A21e series)	108
13.3-in. and 14.1-in. LCD	109
2030 Inverter card	110
12.1-in. LCD (only for A21e series)	110
13.3-in. and 14.1-in. LCD	111
2040 LCD panel	112
12.1-in. LCD (only for A21e series)	112
13.3-in. and 14.1-in. LCD	114
2050 Sub card	117
Locations	119
Front view	119
Rear view	120
Bottom view	121
Parts list	122
A21e, A22e and i 1800 model matrix	122
Overall	125
LCD FRUs	129
12.1-in. SVGA TFT (only for A21e)	129
13.3-in. XGA TFT	130
14.1-in. XGA TFT	131
Keyboard	132
Recovery CDs for i 1800 series	133
For Windows Me models	133
Recovery CDs for A22e series	133
For Windows 98 models	133
For Windows 2000 models	134
For Windows 2000/Windows NT models	134
Miscellaneous parts	135
Optional FRUs	139
Common parts list	140
Tools	140
Power cords (system)	140
Notices	141

Match case Limit results 1 per page

Type

Model

HDD

Bay

device

Mini

PCI

adapter

CPU

LCD

A22e (Memory: 64 MB)

MT2655-

25x, 75x

15 GB

CD-

ROM

(24x)

Modem

Cel 800

13.3-in.

XGA

MT2655-

26x, 76x

Ethernet

MT2655-

27x, 77x,

H7x

Combo

(Intel)

MT2663-

77x

MT2664-

77x

MT2655-

35x, 85x

Modem

14.1-in.

XGA

MT2655-

36x, 86x

Ethernet

MT2655-

37x, 87x,

BBG,

BCG,

D7x, J7x

Combo

(Intel)

MT2655-

48x, 98x

20 GB

Modem

CMG

850

13.3-in.

XGA

MT2655-

49x, 99x

Ethernet

MT2655-

4Ax, 9Ax

Combo

(Intel)

MT2655-

58x, A8x

Modem

14.1-in.

XGA

MT2655-

59x, A9x

Ethernet

MT2655-

5Ax, AAx

Combo

(Intel)

MT2655-

45x, 95x

30 GB

Modem

13.3-in.

XGA

MT2655-

46x, 96x

Ethernet

MT2655-

47x, 97x,

E7x

Combo

(Intel)

(continued)

Parts list

ThinkPad A21e, A22e, i 1800

119